Lou,
We offer the following products in stock from Redline. Here are the part numbers, descriptions, and price.

901 477 50 99 Redline Diesel additive $5.53

901 477 51 99 Redline Diesel additive 85+ (made for engines manufactured after 1985) $5.53

901 477 52 99 Diesel Biostat $3.84

901 477 53 99 Redline Watter Wetter $7.74

Hope this helps...Lee